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At least 235 records · Page 13Linked to original sources

Lymphadenectomy along the middle colic artery in laparoscopic resection of transverse colon.

BACKGROUND/AIMS: Although laparoscopic-assisted colectomy has been replacing open colectomy, dissection of lymph nodes along the main artery is sometimes difficult and dangerous in laparoscopic-assisted colectomy, especially, lymph nodes at the origin of the middle colic artery in laparoscopic resection of the transverse colon. METHODOLOGY: After the isolation of colon, meso-colon in both ends was excised. Then, the colon was rotated clockwise 90 degrees by centering at the base of the meso-colon. This procedure made it easier to isolate the anterior and posterior leaf of the meso-colon at its base. The middle colic artery was divided at the root with the dissection of lymph nodes around the base of the meso-colon. RESULTS: Successful lymphadenectomy of the lymph node along the origin of the middle colic artery was performed. Twelve patients with early transverse colon cancer underwent laparoscopic transverse colon resection using this method. CONCLUSIONS: This method may contribute to the easy and safe laparoscopic transverse colectomy by improving the limited view of the laparoscope and raises the possibility for laparoscopic resection of advanced colon cancer.

Aged↗

Free transverse colon transplantation for functional reconstruction of intra-oral lining: a clinical and histologic study.

A variety of free-tissue transplantations are available for oropharyngeal (lining) reconstruction. The most commonly used flap, the radial forearm flap, is relatively thin, adaptable, and reliable but does not provide lubrication. In this study, the potential of the transverse colon to provide a lubricating tissue for replacement of oral lining was investigated. Eleven patients requiring replacement of oral lining received transverse colon flap transplantation between November of 1993 and December of 1995. There was one complete flap loss and one partial loss. Flap size used for reconstruction averaged 40.4 cm2, and average vessel length and diameter were 7 cm and 2.0 mm, respectively. In a follow-up period from 15 to 48 months, all colon flaps proved to be durable with continuous lubrication function. Histologic assessment of the transplanted colon flaps at various postoperative times showed an adequate amount of mucus-secreting goblet cells even after irradiation. There was no donor-site morbidity. The main disadvantage seemed a tendency to transplant too much tissue, which resulted in formation of redundant pockets affecting food handling. Thus, 8 out of 10 patients with flap survival required one to three debulking procedures. Given an accurate estimation of the area of mucosa defect and adequate trimming of the colon flaps, the transverse colon flap offers a good alternative for reconstruction of the oral lining, especially when lubrication is desirable in cases with large defects and preoperative or postoperative irradiation, or in case a radial forearm flap is not available.

Adult↗

Delayed presentation of Hirschsprung's disease: acute obstruction secondary to megacolon with transverse colonic volvulus.

Despite advances in the diagnosis of Hirschsprung's disease, occasionally there is still a delay in presentation. We report an unrecognized case of Hirschsprung's disease in a patient who presented at 11 years of age with volvulus of the transverse colon. This is the eighth reported case of colonic volvulus secondary to Hirschsprung's disease in children and the first occurring in the transverse colon. A literature review of other causes of colonic volvulus in children showed only 31 cases occurring in the sigmoid colon and nine in the transverse colon. The treatment of unsuspected colonic volvulus in children is discussed.

Acute Disease↗

Perforated tubular duplication of the transverse colon: a rare cause of meconium peritonitis with prenatal diagnosis.

The transverse colon is an exceptional location of intestinal duplication. Perforated duplications are rarely described in neonates. Meconium peritonitis (MP) can originate from prenatal perforated intestinal duplication. The authors report a case of a baby girl with prenatal diagnosis of MP. Rapid worsening of clinical aspects at birth and the presence of a pneumoperitoneum on systematic abdominal plain radiographs led to urgent surgery on the 1st day of life. Laparotomy showed a perforated necrotizing tubular duplication of the transverse colon. Removal of the duplication followed by limited segmental colonic resection and double colostomy were carried out. Follow-up was uneventful.

Colon↗

[A case of transverse colon cancer with left supraclavicular lymph node metastasis and paraaortic lymph node metastases responding to TS-1].

A 61-year-old man was seen at our hospital because he noticed a mass on the left side of his neck. After examinations, he was diagnosed as transverse colon cancer with the left supraclavicular lymph node metastasis and paraaortic lymph node metastases. Rt. hemicolectomy was performed for the transverse colon cancer. At 15 days after operation, TS-1 chemotherapy was started (each treatment course consisted of daily oral administration of 100 mg TS-1 for 4 weeks followed by 2 drug-free weeks). After the first course, the left supraclavicular lymph node had shrunk markedly in physical findings. After the second course, both the left supraclavicular lymph node metastasis and paraaortic lymph node metastases had disappeared in CT findings. A complete remission was observed after the second course, and was maintained thereafter. The serum level of CA 19-9 decreased from 62 U/ml under the normal value after the second course, and was kept under this normal value. Leukopenia and eruption (grade 2) were the only observed adverse effects. This patient continues to undergo outpatient treatment with good QOL.

Antimetabolites, Antineoplastic↗